CN1819979A - Mixture for preparing water-based hardenable mixings intended to realise mainly soundproofing agglomerates and method for preparing said mixings. - Google Patents
Mixture for preparing water-based hardenable mixings intended to realise mainly soundproofing agglomerates and method for preparing said mixings. Download PDFInfo
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- CN1819979A CN1819979A CNA200480019683XA CN200480019683A CN1819979A CN 1819979 A CN1819979 A CN 1819979A CN A200480019683X A CNA200480019683X A CN A200480019683XA CN 200480019683 A CN200480019683 A CN 200480019683A CN 1819979 A CN1819979 A CN 1819979A
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- 239000000203 mixture Substances 0.000 title claims abstract description 73
- 238000002156 mixing Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004568 cement Substances 0.000 claims abstract description 33
- 239000001913 cellulose Substances 0.000 claims abstract description 20
- 229920002678 cellulose Polymers 0.000 claims abstract description 20
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 61
- 239000000047 product Substances 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 238000013016 damping Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 11
- 239000007799 cork Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 239000011087 paperboard Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 239000011111 cardboard Substances 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 239000012263 liquid product Substances 0.000 claims description 3
- 239000004826 Synthetic adhesive Substances 0.000 claims description 2
- 239000000227 bioadhesive Substances 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000012360 testing method Methods 0.000 description 15
- 230000009467 reduction Effects 0.000 description 9
- 239000004567 concrete Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000123 paper Substances 0.000 description 6
- 239000011449 brick Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Floor Finish (AREA)
Abstract
The invention relates to a mixture containing a building binder (preferably cement), comprising cellulose, ready for preparing water-based hardenable mixings intended to realise mainly soundproofing agglomerates suitable for laying or for producing manufactured articles or for fabricating structural building elements or for other engineering works. The invention further relates to a method for preparing said hardenable mixings. The invention further relates to a mainly soundproofing non structural agglomerate obtained from said mixture when a ''light inert'' is added and to a structural mainly soundproofing agglomerate obtained from said mixture when an ''heavy inert'' is added.
Description
Summary of the invention
The present invention relates to contain adhesive for building (cement or analogue), inert component and cellulosic mixture.
Particularly, the present invention relates to be used to prepare the mixture of the water base batch mixing that hardens, described batch mixing is used to produce sound damping agglomerate material substantially, be suitable for laying or be suitable for producing the manufacturing part in the building field, even be used to make up the structure-type Constracture unit, for example post, beam and floor (floorslabs) perhaps are used for other engineering product, and described agglomerate material has the turgidity that reduces because of its sound insulation and thermal insulating properties.
The invention further relates to the method for making the described batch mixing that hardens, described method also can be used in the non-building field.
The invention still further relates to a kind of cement based that derives from described mixture sound damping non-structural type agglomerate material substantially.
The present invention relates to a kind of cement based that derives from described mixture sound damping structure-type agglomerate material substantially in addition.
Knownly contain various cement-based mixture in addition and in building field, mainly use, for example end liner (floorfoundations) weighting material with the granulous form to the favourable additive of the heat insulation and sound dampening properties of structure; Perhaps use, for example wall coverings with plate shape, brick shape or watt shape.
Described additive also must be combined with resistance light and resistance to pressure except having heat insulation and sound dampening properties; In addition, depend on the type of manufacturing and, also must keep enough hardness thus as non-structural type hardness.
Subsequently, needless to say, an elementary operation is with cement or other adhesive for building in the building field, lime or serve as any natural or synthetic adhesive of class cement for example, mix to make mortar with thin inertia aggregate (for example sand) and water, described mortar mixes with thick inertia aggregate (for example rubble) again conversely makes the concrete that is generally used for making up the structure-type Constracture unit, for example post, beam and floor; Well-known concrete has high heat conduction and leading note rate.
According to the general knowledge in the building field, can be main type with described additive rough segmentation above: " light inert component " has 0kg/m
3To about 500kg/m
3Proportion in the scope; " heavy inert component " has about 500kg/m
3To about 2,000kg/m
3Proportion in the scope.This classification all is useful to the multiple purpose in the building field, and it will become clearer hereinafter for the effect of the object of the invention.
The known all lagging materials of operator in this area also are part sound damping materials; Knowing all sound-proof materials thus by inference also all is lagging material.This clarification is beneficial to emphasizes that the present invention has improved insulation value, and compares with present product and to generate high noise reduction value clearly: for this reason, agglomerate material according to the present invention is called sound damping agglomerate material substantially.
Mixture the above-mentioned type, that promptly give the finished product sound dampening properties extensively distributes in building field and uses, and be prior art in the described reference technique field extensive known to.
For example, the european patent application 0 that on December 2nd, 1981 announced, 041,053 has disclosed a kind of gravel shape or spherical light-weight sound-absorbing covering material, by will be wherein powdery or granulous sound insulation component preferably but not necessarily with inert component powder thorough mixing, the gained mixture enclosed the cement-bonded mixture of gained in the water cement shell together, then with the cementing that is essentially dry state obtain; Wherein also disclosed the method for making described gravel shape or spherical light-weight sound-absorbing covering material.
About aforesaid United States Patent (USP), it is worth mentioning that it clearly is devoted to provide gravel shape or spherical sound-proof material, promptly or at this point use with its dry state, perhaps with such as cement, also may be the material of the coalescent formation light casting of matrix material of water.
According to aforementioned, described gravel or ball must be as starting material, and be very inequality with standby intermediate blend, has following shortcoming: generate the batch mixing of non-homogeneous probably, have the sound dampening properties of non-homogeneous.
In the English Patent 297,750 of authorizing May 30 nineteen twenty-nine, can see another example, this Patent publish similar sound insulation floor overlay matrix material, promptly comprised water.
According to aforementioned, described floor cover matrix material must be as the finished product, and is very inequality with standby intermediate blend, has following shortcoming: they can only be applied in the application that they are provided, and they can not be used for the structure-type purpose; In addition, described floor cover matrix material provides shading and heat-insulating properties, but they can not provide high noise reduction value probably.
The United States Patent (USP) 6 of authorizing on November 5th, 2002,475, can see another example in 275, this Patent publish a kind of matrix material that comprises cement, clay, aggregate and/or filamentary material and retardant, the main effect that described matrix material was endowed is the existence owing to its retardant, the process of setting of this cement composite material that slows down; In addition, also is furnished with other component such as promotor.
According to aforementioned, described matrix material can be counted as standby intermediate blend, but need provide so many component to generate the unusual matrix material of effort (with regard to related manufacture method) again of costliness extremely simultaneously, only obtain low noise reduction value simultaneously.
Main purpose of the present invention provides a kind of mixture that contains adhesive for building, preferred cement-based mixture, it is standby at any time and after suitably moisturizing and interpolation " light inert component ", can obtain and compare, have the sound dampening properties and similar heat, light and the agglomerate material of stablizing (step-steadiness) character step by step of improvement according to the obtainable agglomerate material of known systems.
Another object of the present invention provides a kind of mixture that contains adhesive for building, preferred cement-based mixture, it is standby and after suitably moisturizing and interpolation " heavy inert component ", can obtain except that sound insulation and thermal insulating properties, the structure-type agglomerate that also has high crushing resistance, this agglomerate can be used for making up also the favourable structure-type Constracture unit of sound dampening properties substantially generally.
Another object of the present invention provides a kind of mixture that contains adhesive for building, preferred cement-based mixture, and that this mixture adopts is few, be easy to obtain and expensive especially material, thereby very practical and economical.
Aforementioned and other the purpose of the present invention realizes by cement admixture and by method defined in the appended claims.
According to cement admixture of the present invention owing to added Mierocrystalline cellulose, the benefit of the agglomerate material sound dampening properties that realized being improved, described agglomerate material or be layed on the end liner with liquid state perhaps is used for the product of making arbitrary shape and size, for example plate, brick and watt; And be used to make up structure-type Constracture unit, for example post, beam and floor.
Particularly, because according to cement admixture of the present invention, this mixture is except the additive from " light inert component " to " heavy inert component ", also added Mierocrystalline cellulose, realized obtaining the benefit of wide region sound insulation agglomerate material, this wide region is coalescently expected the agglomerate material that combines sound insulation and textural property from what only have a sound dampening properties.
In addition, advantageously, produced gently a kind of and the agglomerate material of hard still.
In addition, advantageously, be easy to obtain and not expensive especially material by employing, this agglomerate material confirms very practical and economical.
With regard to related manufacture method, be suitable for the routine building concrete mixer of operate continuously by use, also can Optimizing operation time and cost.
From the description of the preferred embodiment for the present invention, further feature and advantage will become obviously, will disclose these feature and advantage better with reference to a simple case.
Cement admixture according to the present invention is suitable for making the water base batch mixing that hardens, and this batch mixing is used to produce sound damping agglomerate material substantially, and this mixture adds in cement and the water by some fibre is plain and inert component and obtains.
The cellulose amount that this mixture comprises changes with the amount of used cement and the character of inert component, and described cellulose amount preferably changes between every cubic metre of maximum 100kg of finished product at every cubic metre of finished product 5kg.
The Mierocrystalline cellulose that is adopted can be the form of fiber and paper or cardboard or analogue, or even recirculation.
At Mierocrystalline cellulose is in the situation of fibers form, and described fiber preferably has length and the interior diameter of 0.05 ÷ 10mm scope in the 0.05 ÷ 10mm scope.
At Mierocrystalline cellulose is in the situation of paper product form, or even recirculation, the fragment of described paper and/or paper board product preferably has less than 100mm
2Size.
Preferably, only part cement with the water uniform mixing after, before adding inert component, add Mierocrystalline cellulose.
Except Mierocrystalline cellulose, can also not necessarily add some corks in the mixture, these corks help component of mixture is mixed, and can be particle or form of powder; In the situation of using granulated cork, it preferably has less than 100mm
2Size.
Cork even be not necessary component, also can improve noise reduction value; Based on the experiment test that is carried out, have been noted that existence owing to cork, noise reduction value has improved about 3dB.
Be to obtain the volume of expectation, can use the polystyrene of some fresh or recirculation or similar substance in the mixture as inert component, preferably with form spherical or that grind.
Add polystyrene for introducing air or as " light inert component ".
When in order to obtain to be suitable for preparing the mixture of the water base batch mixing that hardens, alternately, except Mierocrystalline cellulose, and also add outside the situation of cork, can perhaps can use to have 0kg/m with air infeeding (similar soap or other commodity foam) by the form of foam compatible with binding agent
3To about 500kg/m
3Any other air carrier of proportion in the scope " light inert component ", described batch mixing is used to produce the agglomerate material (being non-structural type) that only has sound insulation substantially.
When in order to obtain to be suitable for preparing the mixture of the water base batch mixing that hardens, described batch mixing is used for production structure type sound damping agglomerate material substantially, adds to have about 500kg/m
3To about 2,000kg/m
3" the heavy inert component " of proportion is for example husky in the scope, gravel, gravel, river pebbles, rubble or brick and analogue.
Can change the ratio of cement and " light inert component " or " heavy inert component ", to obtain preferably at 100kg/m
3(be lower than this value, gained lining crushing resistance deficiency, and no longer substep is stable) and 600kg/m
3The agglomerate material density that changes between (be higher than this value, no longer have favourable economic consequence).
Except Mierocrystalline cellulose, can also not necessarily add colored pigment in the mixture, preferred ferric oxide, it can give the mixture typical color.
In order to give agglomerate material a kind of color, this new agglomerate material and conventional cement material are differentiated, and add colored pigment; In the situation of adding ferric oxide, color is little red.
Get, be laid on cement based on the end liner substantially on the sound insulation agglomerate material being derived from mixture according to the present invention, can also place one deck pitched paper, serve as and isolate the middle layer and be beneficial to the noise reduction that comes because of direct conduction; Described pitch ply of paper preferably has the thickness of 0.5mm.
Alternately, on this agglomerate material, can place nylon layer and serve as the isolation middle layer.
On arranging of obtaining like this, particularly on the middle layer of pitched paper or nylon or analogue, can place end liner.
Be used to produce the water base batch mixing that hardens of sound insulation agglomerate material substantially by the cement admixture preparation, according to the present invention, its preparation method comprises following steps:
-depend on final structure-type or non-structural type application, be mixed with the various components (cement, Mierocrystalline cellulose, inert component and water) of proportional;
-mixing described component until obtaining to harden batch mixing, this batch mixing is suitable for laying, or is suitable for producing finished product, or is suitable for making the structure-type building slab, for example post, beam and floor.
Well known to a person skilled in the art technology because the method according to this invention adopts, therefore will not disclose described technology in detail.
Except said components, a certain amount of force air is introduced described batch mixing inside; Described air capacity can perhaps alternately be transmitted by the sponge kind material by foam, as the vinylbenzene through grinding.
Transmitting in the situation of air by foam, described foam is preferably the commodity foam, or or transform by the foaming liquid product and to obtain, perhaps by soap is mixed the foam that obtains with water.
Alternately, when in order to obtain to be suitable for preparing the mixture of the water base batch mixing that hardens, can use to have 0kg/m
3To about 500kg/m
3Any other air carrier of proportion in the scope " light inert component ", described batch mixing is used for only producing sound damping agglomerate material substantially.
When in order to obtain to be suitable for preparing the mixture of the water base batch mixing that hardens, described batch mixing is used for production structure type sound damping agglomerate material substantially, adds to have about 500kg/m
3To about 2,000kg/m
3" the heavy inert component " of proportion is for example husky in the scope, gravel, gravel, river pebbles, rubble or brick and analogue.
Not necessarily, embed a certain amount of granulated dust cork or powder.
Not necessarily, also embed a certain amount of colored pigment.
The method according to this invention is undertaken by using building concrete agitator or any other mixing device; Preferably, described concrete mixer started before introducing starting material, and it is operate continuously (being that concrete mixer is started working from introducing water); This helps to realize better agglomerate material mixing, and in the time of on being routed to end liner or during producing finished product, described agglomerate material is liquid.
The component that constitutes agglomerate material is added according to following order: water, cement, Mierocrystalline cellulose and inert component.
And, carried out experiment test in the institute that qualification is arranged, test shows by sound insulation agglomerate material according to the present invention with 300 ÷ 500kg/m
3Density obtain significant noise and reduce.
For the applicant, in the cement material that is combined with " light inert component ", contain the originality of cellulosic mixture matrix material, by mixture according to the present invention and also very satisfactory by the soundproof effect that agglomerate material obtained that obtains.
As for the lab investigation that are specifically related to, undertaken by the sample that adopts following composition; Note that described amount is for obtaining 1m
3The amount that agglomerate material is required:
-cement (325) 210kg
-cellulosic fibre 10kg
-granulated cork 90lt.
-air obtains 1m
3The amount that agglomerate material is required
-water is based on the required amount of ratio that obtains the fluid agglomerate material
Being characterized as of described sample, density 320kg/m
3, the about 50m of thickness.
The gained result is very satisfactory, is 21dB because the noise of test material reduces the result.
The collision noise of estimating on test sample according to agglomerate material of the present invention reduces level; Test is carried out according to the regulation of the inner rules in laboratory, according to the provision discussion result of rules ISO717-Part2.
The sample of testing forms by assembling three agglomerate slabs, and each piece has above-mentioned composition and feature, is of a size of:
Nominal length=the 500mm of-veneer;
Nominal Width=the 500mm of-veneer;
The nominal thickness of-veneer=about 500mm.
A slice pitched paper of thick 0.5mm is positioned on the agglomerate slabs.
This sample is placed on the thick reinforced concrete system test panel of 140mm and thick 40mm, surface density 128kg/m
3" pietra serena " system scraper plate between.
Described plate is arranged with "T"-shaped, test accepted standard crash device (Bruel ﹠amp; Kjaer makes Mod. " 3204 ") with first level attitude operation, subsequently with second vertical position operation along " T " leg along " T " arm.
In reception chamber, measure the noise level that generates, characterize with the reverberation time by the frequency of spectrum analyzer with scope between 100Hz and the 3150Hz; By with reinforced concrete system test panel directly contact placement " pietra serena " system scraper plate on the operational standardization crash device carry out similar measurement.
The evaluation of result step is carried out by means of standardized curve according to above-mentioned rules ISO 717-Part 2.
The collision noise reduction level that result's comparative analysis provides the contribution because of test sample to cause quantitatively.
Each frequency band is calculated the value of collision acoustic pressure " L " with following formula:
L=L
i+10·log?A/A
0
Wherein:
L
iAcoustic pressure mean vol in the=reception chamber is represented with dB;
A
0=reference area value equals 10m
2
The equivalence sound absorption area of A=reception chamber is with m
2Expression, calculate with following formula successively:
A=0.16·V/T
Wherein:
The volume of V=reception chamber is with m
3Expression equals 69m
3
The T=reverberation time, represent with s.
The envrionment conditions of test period is as follows:
-average ambient temperature=12 ℃;
-relative humidity=35%;
-optimal ventilation.
In the frequency band between 100Hz and 3150Hz, the test result under 500Hz obtains following evaluation number:
-substrate+scraper plate: I
1=76dB
-substrate+test sample plate+scraper plate: I
2=55dB
Therefore above-mentioned noise reduction value equals 21dB.
After this, carried out three additional experiments in above-mentioned institute with qualification with same step, but replaced foam with polystyrene, sample has and above identical thickness, and corresponding density is respectively 320kg/m
3, 400kg/m
3And 480kg/m
3
Noise reduces the result proves that than previous test height, noise reduction scope is 24-25dB.
Although disclosed the present invention, desire to be included in further application in the protection domain and distortion when the expert of this area when apparent, is also allowed usually with reference to preferable configuration.
Especially, although the preferred cement-based mixture of mixture according to the present invention, alternative embodiments of the present invention relates to the mixture based on the routine building binding agent that is different from cement such as lime or clay, is also contained in the scope of the present invention.
In addition, although the method according to this invention proposes to adopt the routine building concrete mixer, but in different devices, carry out in the blended situation, and the ground that makes one notice, when agglomerate is not to be routed on the end liner, but in order to produce such as plate, brick and watt finished product, perhaps in order to make up structure-type building slab such as post, beam and floor, when perhaps being used for other engineering product, can obtain similar application and result.
Claims (30)
1. mixture, contain adhesive for building and comprise Mierocrystalline cellulose, be ready for use on the water base batch mixing that hardens of preparation, this batch mixing is used to obtain sound damping agglomerate material substantially, it is characterized in that: based on this mixture matrix material, cellulose amount is between every cubic metre of finished product 5kg-100kg.
2. according to the mixture of claim 1, wherein said finished product has 150kg/m
3-2,600kg/m
3Between density.
3. according to the mixture of claim 1, wherein said Mierocrystalline cellulose is the form of fiber.
4. according to the mixture of claim 3, wherein said fiber has length and the interior diameter of 0.05 ÷ 10mm scope in the 0.05 ÷ 10mm scope.
5. according to the mixture of claim 1, wherein said Mierocrystalline cellulose is the form of paper or cardboard or analogue.
6. according to the mixture of claim 5, wherein said paper and cardboard and analogue are recycled product.
7. according to the mixture of claim 5 or 6, the fragment of wherein said paper or cardboard or analogue has less than 100mm
2Size.
8. according to the mixture of aforementioned each claim, wherein said Mierocrystalline cellulose only with after the water uniform mixing adds at the part adhesive for building.
9. according to the mixture of claim 1, further comprise cork.
10. according to the mixture of claim 9, wherein said cork is particle or form of powder.
11., further comprise foam according to the mixture of claim 1 or 9.
12. according to the mixture of claim 11, wherein said foam obtains by the foaming liquid product that conversion is mixed with water and air.
13., further comprise the sponge kind material according to the mixture of claim 1 or 9.
14. according to the mixture of claim 13, wherein said sponge kind material is fresh or the polystyrene of recirculation or analogous material, preferred spherical or grinding.
15., further comprise and be called " light inert component ", have 0kg/m according to the mixture of claim 1 or 9 or 11 or 13
3To about 500kg/m
3The inert component of proportion in the scope.
16., further comprise and be called " heavy inert component ", have about 500kg/m according to the mixture of claim 1
3To about 2,000kg/m
3The inert component of proportion in the scope.
17. the mixture according to claim 1 or 9 or 11 or 13 or 15 further comprises colored pigment.
18. according to the mixture of claim 1, wherein adhesive for building is a cement.
19. according to the mixture of claim 1, wherein adhesive for building is a lime.
20. according to the mixture of claim 1, wherein adhesive for building is any natural or synthetic adhesive as cement class binding agent.
21. one kind from containing adhesive for building and comprising the method that cellulosic mixture prepares the water base batch mixing that hardens, described batch mixing is used to obtain sound damping agglomerate material substantially, is characterised in that, described method comprises step:
-preparation is a certain amount of to be contained adhesive for building and comprises cellulosic mixture, and wherein, based on this mixture matrix material, cellulose amount is between every cubic metre of finished product 5kg-100kg;
-the water of interpolation sufficient quantity in described a certain amount of mixture;
Described mixture of-mixing and water are until obtaining to harden batch mixing, and this batch mixing is suitable for laying, or is suitable for producing finished product, or is suitable for making the structure-type building slab.
22., wherein a certain amount of force air is introduced described batch mixing inside according to the method for claim 21.
23. according to the method for claim 22, wherein said air capacity is transmitted by foam.
24. according to the method for claim 23, wherein said foam obtains by the foaming liquid product that conversion is mixed with water and air.
25. according to the method for claim 22, wherein said air capacity is transmitted by the sponge kind material.
26. according to the method for claim 25, wherein said sponge kind material is the polystyrene of fresh or recirculation, preferred spherical or grinding.
27. according to the method for claim 22, wherein said air capacity is by being called " light inert component ", having 0kg/m
3To about 500kg/m
3The air carrier inert component of proportion is introduced in the scope.
28. the adhesive for building base agglomerate material by aforementioned claim 1-20 mixture gained described in each is characterized in that, because of its sound insulation and thermal insulating properties have the turgidity that reduces.
29. the adhesive for building base that is obtained by the described mixture of claim 15 is sound damping non-structural type agglomerate material substantially, it is characterized in that having 200 ÷ 1,100kg/m
3Density in the scope.
30. the adhesive for building base that is obtained by the described mixture of claim 16 is sound damping structure-type agglomerate material substantially, it is characterized in that having 1,100 ÷ 2,600kg/m
3Density in the scope.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03425446.6 | 2003-07-07 | ||
EP20030425446 EP1496028A1 (en) | 2003-07-07 | 2003-07-07 | Cement mixture for preparing water-based hardenable mixings intended to realise soundproofing agglomerates and method for preparing said mixings |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1819979A true CN1819979A (en) | 2006-08-16 |
Family
ID=33442915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA200480019683XA Pending CN1819979A (en) | 2003-07-07 | 2004-07-02 | Mixture for preparing water-based hardenable mixings intended to realise mainly soundproofing agglomerates and method for preparing said mixings. |
Country Status (11)
Country | Link |
---|---|
US (1) | US20060156953A1 (en) |
EP (1) | EP1496028A1 (en) |
JP (1) | JP2007516916A (en) |
CN (1) | CN1819979A (en) |
AU (1) | AU2004253766A1 (en) |
BR (1) | BRPI0412341A (en) |
CA (1) | CA2531525A1 (en) |
EA (1) | EA200600191A1 (en) |
MX (1) | MXPA06000299A (en) |
NO (1) | NO20060274L (en) |
WO (1) | WO2005003052A1 (en) |
Cited By (2)
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CN104671718A (en) * | 2015-02-11 | 2015-06-03 | 何家豪 | Vibration-damping sound-insulation mortar, and preparation method and application method thereof |
CN110386802A (en) * | 2018-04-19 | 2019-10-29 | 杨帮燕 | A kind of coal ash heat-preservation brick |
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ITMI20120906A1 (en) * | 2012-05-24 | 2013-11-25 | Luca Egidio De | CONSTRUCTION ELEMENT FOR WALLS AND WALL COVERINGS AND METHOD OF REALIZING THE ELEMENT |
GB2585946A (en) * | 2019-07-26 | 2021-01-27 | Mccrea Brendan | Screed composition and method of use |
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-
2003
- 2003-07-07 EP EP20030425446 patent/EP1496028A1/en not_active Withdrawn
-
2004
- 2004-07-02 BR BRPI0412341 patent/BRPI0412341A/en not_active Application Discontinuation
- 2004-07-02 CN CNA200480019683XA patent/CN1819979A/en active Pending
- 2004-07-02 US US10/563,769 patent/US20060156953A1/en not_active Abandoned
- 2004-07-02 CA CA 2531525 patent/CA2531525A1/en not_active Abandoned
- 2004-07-02 EA EA200600191A patent/EA200600191A1/en unknown
- 2004-07-02 JP JP2006518394A patent/JP2007516916A/en active Pending
- 2004-07-02 MX MXPA06000299A patent/MXPA06000299A/en unknown
- 2004-07-02 AU AU2004253766A patent/AU2004253766A1/en not_active Abandoned
- 2004-07-02 WO PCT/IB2004/002213 patent/WO2005003052A1/en active Application Filing
-
2006
- 2006-01-19 NO NO20060274A patent/NO20060274L/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104671718A (en) * | 2015-02-11 | 2015-06-03 | 何家豪 | Vibration-damping sound-insulation mortar, and preparation method and application method thereof |
CN110386802A (en) * | 2018-04-19 | 2019-10-29 | 杨帮燕 | A kind of coal ash heat-preservation brick |
Also Published As
Publication number | Publication date |
---|---|
WO2005003052A1 (en) | 2005-01-13 |
US20060156953A1 (en) | 2006-07-20 |
EP1496028A1 (en) | 2005-01-12 |
JP2007516916A (en) | 2007-06-28 |
EA200600191A1 (en) | 2006-08-25 |
BRPI0412341A (en) | 2006-09-05 |
NO20060274L (en) | 2006-02-06 |
AU2004253766A1 (en) | 2005-01-13 |
MXPA06000299A (en) | 2006-07-03 |
CA2531525A1 (en) | 2005-01-13 |
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